New Lore Document: A Brief Examination of the Yierka by GemStoneIV | 22 Jan 2023 | Official GemStoneIV Newsfeed From Simu A new lore document about the yierka has been added to the wiki. GemStoneIVThis article is a part of the official newsfeed from GemStoneIV. Tags: gamemaster, gemstone, gemstone iv, gemstoneiv, news